Datasheet4U Logo Datasheet4U.com

ICS94211 - Programmable System Frequency Generator

General Description

The ICS94211 is a single chip clock solution for desktop designs using the BX/Apollo Pro133/ALI 1631 style chipset.

It provides all necessary clock signals for such a system.

The ICS94211 belongs to ICS new generation of programmable system clock generators.

Key Features

  • 2 - CPUs @2.5V.
  • 1 - IOAPIC @ 2.5V.
  • 13 - SDRAM @ 3.3V.
  • 6 - PCI @3.3V,.
  • 1 - 48MHz, @3.3V.
  • 1 - 24MHz @ 3.3V.
  • 2 - REF @3.3V, 14.318MHz. Features:.
  • Programmable ouput frequency.
  • Programmable ouput rise/fall time.
  • Programmable PCICLK, PCICLK_F, SDRAM skew.
  • Real time system reset output.
  • Spread spectrum for EMI control typically by 7dB to 8dB, with programmable spread percentage.
  • W.

📥 Download Datasheet

Datasheet Details

Part number ICS94211
Manufacturer Renesas
File Size 354.33 KB
Description Programmable System Frequency Generator
Datasheet download datasheet ICS94211 Datasheet

Full PDF Text Transcription for ICS94211 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for ICS94211. For precise diagrams, and layout, please refer to the original PDF.

Integrated Circuit Systems, Inc. ICS94211 Programmable System Frequency Generator for PII/III™ Recommended Application: 440BX/VIA Apollo Pro133/ ALI 1631 style chipset. O...

View more extracted text
mended Application: 440BX/VIA Apollo Pro133/ ALI 1631 style chipset. Output Features: • 2 - CPUs @2.5V • 1 - IOAPIC @ 2.5V • 13 - SDRAM @ 3.3V • 6 - PCI @3.3V, • 1 - 48MHz, @3.3V • 1 - 24MHz @ 3.3V • 2 - REF @3.3V, 14.318MHz. Features: • Programmable ouput frequency. • Programmable ouput rise/fall time. • Programmable PCICLK, PCICLK_F, SDRAM skew. • Real time system reset output • Spread spectrum for EMI control typically by 7dB to 8dB, with programmable spread percentage. • Watchdog timer technology to reset system if over-clocking causes malfunction. • Uses external 14.318MHz crystal.